/*

FREESTYLE MENUS v1.0 RC (c) 2001-2009 Angus Turnbull, http://www.twinhelix.com
Altering this notice or redistributing this file is prohibited.

*/

var isDOM=document.getElementById?1:0,isIE=document.all?1:0,isNS4=navigator.appName=='Netscape'&&!isDOM?1:0,isOp=self.opera?1:0,isDyn=isDOM||isIE||isNS4;
function getRef(i,p){
    p=!p?document:p.navigator?p.document:p;return isIE?p.all[i]:isDOM?(p.getElementById?p:p.ownerDocument).getElementById(i):isNS4?p.layers[i]:null};
function getSty(i,p){
    var r=getRef(i,p);
    return r?isNS4?r:r.style:null};
if(!self.LayerObj)
    var LayerObj=new Function('i','p','this.ref=getRef(i,p);this.sty=getSty(i,p);return this');
function getLyr(i,p){
    return new LayerObj(i,p)};
function LyrFn(n,f){
    LayerObj.prototype[n]=new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px";with(this){'+f+'}')};
    LyrFn('x','if(!isNaN(p))sty.left=p+px;else return parseInt(sty.left)');
    LyrFn('y','if(!isNaN(p))sty.top=p+px;else return parseInt(sty.top)');
if(typeof addEvent!='function'){
    var addEvent=function(o,t,f,l){var d='addEventListener',n='on'+t;
        if(o[d]&&!l)
            return o[d](t,f,false);
        if(!o._evts)o._evts={};
        if(!o._evts[t]){
            o._evts[t]={};
            if(o[n])addEvent(o,t,o[n],l);
            o[n]=new Function('e','var r=true,o=this,a=o._evts["'+t+'"],i;for(i in a){o._f=a[i];if(o._f._i)r=o._f(e||window.event)!=false&&r}o._f=null;return r')
        }
        if(!f._i)f._i=addEvent._i++;
        o._evts[t][f._i]=f;
        if(t!='unload')addEvent(window,'unload',function(){removeEvent(o,t,f,l)})};
    addEvent._i=1;
    var removeEvent=function(o,t,f,l){var d='removeEventListener';
        if(o[d]&&!l)return o[d](t,f,false);
        if(o._evts&&o._evts[t]&&f._i)delete o._evts[t][f._i]}
}
var addReadyEvent=function(f){var a=addReadyEvent,n=null;
    addEvent(a,'ready',f);
    if(!a.r){a.r=function(){clearInterval(t);
            if(a.r)a.onready();
            a.r=null};
        addEvent(document,'DOMContentLoaded',a.r);
        addEvent(window,'load',a.r);
        var t=setInterval(function(){if(/complete|loaded/.test(document.readyState)){if(!n)a.r();
                else try{n.doScroll('left');
                    n=null;a.r()}catch(e){}}},50)}};
function FSMenu(myName,nested,cssProp,cssVis,cssHid){
    this.myName=myName;
    this.nested=nested;
    this.cssProp=cssProp;
    this.cssVis=cssVis;
    this.cssHid=cssHid;
    this.cssLitClass='highlighted';
    this.menus=nested?{}:{root:new FSMenuNode('root',true,this)};
    this.menuToShow=[];
    this.mtsTimer=null;
    this.showDelay=0;
    this.switchDelay=125;
    this.hideDelay=500;
    this.showOnClick=0;
    this.hideOnClick=true;
    this.animInSpeed=0.2;
    this.animOutSpeed=0.2;
    this.animations=[]};
FSMenu.prototype.show=function(mN){with(this){menuToShow.length=arguments.length;
        for(var i=0;i<arguments.length;i++)
            menuToShow[i]=arguments[i];
        clearTimeout(mtsTimer);
        if(!nested)mtsTimer=setTimeout(myName+'.menus.root.over()',10)}};
FSMenu.prototype.hide=function(mN){with(this){clearTimeout(mtsTimer);
        if(menus[mN])menus[mN].out()}};
FSMenu.prototype.hideAll=function(){with(this){for(var m in menus)if(menus[m].visible&&!menus[m].isRoot)menus[m].hide(true)}};
function FSMenuNode(id,isRoot,obj){this.id=id;
    this.isRoot=isRoot;
    this.obj=obj;
    this.lyr=this.child=this.par=this.timer=this.visible=null;
    this.args=[];
    var node=this;
    this.over=function(evt){with(node)with(obj){if(isNS4&&evt&&lyr.ref)lyr.ref.routeEvent(evt);
            clearTimeout(timer);
            clearTimeout(mtsTimer);
            if(!isRoot&&!visible)node.show();
            if(menuToShow.length){var a=menuToShow,m=a[0];
                if(!menus[m]||!menus[m].lyr.ref)menus[m]=new FSMenuNode(m,false,obj);
                var c=menus[m];
                if(c==node){menuToShow.length=0;
                    return}clearTimeout(c.timer);
                if(c!=child&&c.lyr.ref){c.args.length=a.length;
                    for(var i=0;i<a.length;i++)
                        c.args[i]=a[i];
                    var delay=child?switchDelay:showDelay;
                    c.timer=setTimeout('with('+myName+'){menus["'+c.id+'"].par=menus["'+node.id+'"];menus["'+c.id+'"].show()}',delay?delay:1)}menuToShow.length=0}if(!nested&&par)par.over()}};
    this.out=function(evt){with(node)with(obj){if(isNS4&&evt&&lyr&&lyr.ref)lyr.ref.routeEvent(evt);
            clearTimeout(timer);
            if(!isRoot&&hideDelay>=0){timer=setTimeout(myName+'.menus["'+id+'"].hide()',hideDelay);
                if(!nested&&par)par.out()}}};
    if(id!='root')with(this)with(lyr=getLyr(id))if(ref){if(isNS4)ref.captureEvents(Event.MOUSEOVER|Event.MOUSEOUT);
        addEvent(ref,'mouseover',this.over);
        addEvent(ref,'mouseout',this.out);
        if(obj.nested){addEvent(ref,'focus',this.over,1);
            addEvent(ref,'click',this.over);
            addEvent(ref,'blur',this.out,1)}}};
FSMenuNode.prototype.show=function(forced){with(this)with(obj){if(!lyr||!lyr.ref)return;
        if(par){if(par.child&&par.child!=this)par.child.hide();
            par.child=this}var offR=args[1],offX=args[2],offY=args[3],lX=0,lY=0,doX=''+offX!='undefined',doY=''+offY!='undefined';
        if(self.page&&offR&&(doX||doY)){with(page.elmPos(offR,par.lyr?par.lyr.ref:0))lX=x,lY=y;
            if(doX)lyr.x(lX+eval(offX));
            if(doY)lyr.y(lY+eval(offY))}if(offR)lightParent(offR,1);
        visible=1;
        if(obj.onshow)obj.onshow(id);
        lyr.ref.parentNode.style.zIndex='2';
        setVis(1,forced)}};
FSMenuNode.prototype.hide=function(forced){with(this)with(obj){if(!lyr||!lyr.ref||!visible)return;
        if(isNS4&&self.isMouseIn&&isMouseIn(lyr.ref))return show();
        if(args[1])lightParent(args[1],0);
        if(child)child.hide();
        if(par&&par.child==this)par.child=null;
        if(lyr){visible=0;
            if(obj.onhide)obj.onhide(id);
            lyr.ref.parentNode.style.zIndex='1';
            setVis(0,forced)}}};
FSMenuNode.prototype.lightParent=function(elm,lit){with(this)with(obj){if(!cssLitClass||isNS4)return;
        if(lit)elm.className+=(elm.className?' ':'')+cssLitClass;
        else elm.className=elm.className.replace(new RegExp('(\\s*'+cssLitClass+')+$'),'')}};
FSMenuNode.prototype.setVis=function(sh,forced){with(this)with(obj){if(lyr.forced&&!forced)return;
        lyr.forced=forced;
        lyr.timer=lyr.timer||0;
        lyr.counter=lyr.counter||0;
        with(lyr){clearTimeout(timer);
            var speed=sh?animInSpeed:animOutSpeed;
            if(!counter)sty[cssProp]=sh?cssVis:cssHid;
            if(isDOM&&(speed<1))for(var a=0;
            a<animations.length;
            a++)animations[a](ref,counter,sh);
            if(isDOM&&(sh?counter<1:counter>0))timer=setTimeout(myName+'.menus["'+id+'"].setVis('+sh+','+(forced||0)+')',50);
            else lyr.forced=false;
            counter=counter+speed*(sh?1:-1);
            if(counter<0.001)counter=0;
            if(counter>0.999)counter=1}}};
FSMenu.animSwipeDown=function(ref,counter,show){var elm=ref.firstChild.style?ref.firstChild:ref.firstChild.nextSibling,isOldIE=/MSIE\s(5|6|7)\./.test(navigator.userAgent);
    if(!elm)return;
    if(show&&(counter==0)){if(!elm._fsm_marg)elm._fsm_marg={'top':elm.style.marginTop};
        ref._fsm_height=ref.offsetHeight}if(counter==1||(counter<0.01&&!show)){ref.style.overflow='visible';
        elm.style.marginTop=elm._fsm_marg.top;
        if(isOldIE)ref.style.height=''}else{var cP=Math.pow(Math.sin(Math.PI*counter/2),0.75);
        ref.style.overflow='hidden';
        if(isOldIE)ref.style.height=(ref._fsm_height*cP)+'px';
        else elm.style.marginTop=(0-ref._fsm_height*(1-cP))+'px'}};
FSMenu.animFade=function(ref,counter,show){if(typeof ref.filters=='unknown')return;
    var f=ref.filters,done=(show?counter==1:counter<0.01),a=/MSIE\s(4|5)/.test(navigator.userAgent)?'alpha':'DXImageTransform.Microsoft.Alpha';
    if(f){if(!done&&ref.style.filter.indexOf(a)==-1)ref.style.filter+=' '+(a=='alpha'?a:'progid:'+a)+'(opacity='+(counter*100)+')';
        else if(f.length&&f[a]){if(done)f[a].enabled=false;
            else{f[a].opacity=(counter*100);
                f[a].enabled=true}}}else ref.style.opacity=ref.style.MozOpacity=counter*0.999};
FSMenu.animClipDown=function(ref,counter,show){var cP=Math.pow(Math.sin(Math.PI*counter/2),0.75);
    ref.style.clip=(counter==1?((window.opera||navigator.userAgent.indexOf('KHTML')>-1)?'':'rect(auto,auto,auto,auto)'):'rect(0,'+ref.offsetWidth+'px,'+(ref.offsetHeight*cP)+'px,0px)')};
FSMenu.prototype.activateMenu=function(id,subInd){with(this){if(!isDOM||!document.documentElement)return;
        var fsmFB=getRef('fsmenu-fallback');
        if(fsmFB){fsmFB.rel='alternate stylesheet';
            fsmFB.disabled=true}var a,ul,li,parUL,mRoot=getRef(id),nodes;
        if(!FSMenu._count)FSMenu._count=1;
        var evtProp=navigator.userAgent.indexOf('Safari')>-1||isOp?'safRtnVal':'returnValue';
        var lists=mRoot.getElementsByTagName('ul');
        for(var i=0;
        i<lists.length;
        i++){li=ul=lists[i];
            while(li){if(li.nodeName.toLowerCase()=='li')break;
                li=li.parentNode}if(!li)continue;parUL=li;
            while(parUL){if(parUL.nodeName.toLowerCase()=='ul')break;
                parUL=parUL.parentNode}a=li.getElementsByTagName('a');
            if(!a)continue;
            a=a.item(0);
            var menuID;
            if(ul.id)menuID=ul.id;
            else{menuID=myName+'-id-'+FSMenu._count++;
                ul.setAttribute('id',menuID)}if(menus[menuID]&&menus[menuID].lyr.ref==ul)continue;
            menus[menuID]=new FSMenuNode(menuID,false,this);
            var rootItem=(li.parentNode==mRoot)?1:0;
            var eShow=new Function('with('+myName+'){var m=menus["'+menuID+'"],pM=menus["'+parUL.id+'"];if(!showOnClick||(showOnClick==1&&!'+rootItem+')||((showOnClick<=2)&&((pM&&pM.child)||(m&&m.visible))))show("'+menuID+'",this)}');
            var eHide=new Function('e','if(e.'+evtProp+'!=false)'+myName+'.hide("'+menuID+'")');
            addEvent(a,'mouseover',eShow);
            addEvent(a,'mouseout',eHide);
            addEvent(a,'focus',eShow);
            addEvent(a,'blur',eHide);
            addEvent(a,'click',new Function('e','var s='+myName+'.showOnClick,m='+myName+'.menus["'+menuID+'"];if(!((s==1&&'+rootItem+')||s>=2))return;'+myName+'[m&&m.visible?"hide":"show"]("'+menuID+'",this);if(e.cancelable&&e.preventDefault)e.preventDefault();e.'+evtProp+'=false;return false'));
            if(subInd)a.insertBefore(subInd.cloneNode(true),a.firstChild)}var aNodes=mRoot.getElementsByTagName('a');
        for(var i=0;i<aNodes.length;i++){
            addEvent(aNodes[i],'focus',new Function('e','var node=this.parentNode;while(node){if(node.onfocus)node.onfocus(e);node=node.parentNode}'));
            addEvent(aNodes[i],'blur',new Function('e','var node=this.parentNode;while(node){if(node.onblur)node.onblur(e);node=node.parentNode}'))}if(hideOnClick)addEvent(mRoot,'click',new Function('e','if(e.'+evtProp+'!=false)'+myName+'.hideAll()'));menus[id]=new FSMenuNode(id,true,this)}};
var page={win:self,minW:0,minH:0,MS:isIE&&!isOp,db:document.compatMode&&document.compatMode.indexOf('CSS')>-1?'documentElement':'body'};
page.elmPos=function(e,p){var x=0,y=0,w=p?p:this.win;
    e=e?(e.substr?(isNS4?w.document.anchors[e]:getRef(e,w)):e):p;
    if(isNS4){if(e&&(e!=p)){x=e.x;y=e.y};
        if(p){x+=p.pageX;
            y+=p.pageY}}if(e&&this.MS&&navigator.platform.indexOf('Mac')>-1&&e.tagName=='A'){e.onfocus=new Function('with(event){self.tmpX=clientX-offsetX;self.tmpY=clientY-offsetY}');e.focus();
        x=tmpX;
        y=tmpY;
        e.blur()}else while(e){x+=e.offsetLeft;
        y+=e.offsetTop;
        e=e.offsetParent}return{x:x,y:y}};
if(isNS4){
    var fsmMouseX,fsmMouseY,fsmOR=self.onresize,nsWinW=innerWidth,nsWinH=innerHeight;document.fsmMM=document.onmousemove;self.onresize=function(){if(fsmOR)fsmOR();
        if(nsWinW!=innerWidth||nsWinH!=innerHeight)location.reload()};
    document.captureEvents(Event.MOUSEMOVE);
    document.onmousemove=function(e){fsmMouseX=e.pageX;fsmMouseY=e.pageY;
        return document.fsmMM?document.fsmMM(e):document.routeEvent(e)};
    function isMouseIn(sty){with(sty)return((fsmMouseX>left)&&(fsmMouseX<left+clip.width)&&(fsmMouseY>top)&&(fsmMouseY<top+clip.height))
    }
}
